164038120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{337}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 380128320

約数和(自身を除く): 216090200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 283, 337, 344, 430, 566, 674, 860, 1132, 1348, 1415, 1685, 1720, 2264, 2696, 2830, 3370, 5660, 6740, 11320, 12169, 13480, 14491, 24338, 28982, 48676, 57964, 60845, 72455, 95371, 97352, 115928, 121690, 144910, 190742, 243380, 289820, 381484, 476855, 486760, 579640, 762968, 953710, 1907420, 3814840, 4100953, 8201906, 16403812, 20504765, 32807624, 41009530, 82019060, 164038120]

約数ペア:

[(1, 164038120), (2, 82019060), (4, 41009530), (5, 32807624), (8, 20504765), (10, 16403812), (20, 8201906), (40, 4100953), (43, 3814840), (86, 1907420), (172, 953710), (215, 762968), (283, 579640), (337, 486760), (344, 476855), (430, 381484), (566, 289820), (674, 243380), (860, 190742), (1132, 144910), (1348, 121690), (1415, 115928), (1685, 97352), (1720, 95371), (2264, 72455), (2696, 60845), (2830, 57964), (3370, 48676), (5660, 28982), (6740, 24338), (11320, 14491), (12169, 13480)]